Metals

METALS:

PROPERTY

METAL

NON METAL

CONDUCTIVITY

HEAT e-

INSULATOR

MALLEABILITY

GOOD

SHATTERS

FLEXIBILITY

DUCTILE

BRITTLE

APPEARANCE

SHINY

DULL

the table above shows a few of the characterisitics of metals and non-metals.

Within biological systems there are 25 ESSENTIAL ELEMENTS 

The following 9 elements are needed in large quantities within biological systems: These are called MACRONUTRIENTS:

NON-METALS: S,P,Cl

METALOIDS/SEMI METALS: Si

METALS: Na, K, Mg, Ca, Fe

the following 12 elements are required in smaller quantities. These are called micronutrients:

NON-METALS…